Membrane ProteinsLigandsCell MembraneBacterial Outer Membrane ProteinsMembranesMembrane LipidsIntracellular MembranesMolecular Sequence DataAmino Acid SequenceMembrane PotentialsMembranes, ArtificialHelix (Snails)Protein Structure, SecondaryModels, MolecularErythrocyte MembraneProtein BindingProtein Structure, TertiaryMembrane FluidityProtein ConformationMembrane Transport ProteinsMembrane GlycoproteinsEscherichia coliBacterial ProteinsBinding SitesLipid BilayersCell Membrane PermeabilityProtein TransportCell LineBase SequenceMutationBasement MembraneDetergentsCarrier ProteinsElectrophoresis, Polyacrylamide GelRecombinant Fusion ProteinsSequence Homology, Amino AcidEscherichia coli ProteinsMicroscopy, ElectronEndoplasmic ReticulumPorinsMolecular WeightKineticsModels, BiologicalRecombinant ProteinsCloning, MolecularPeptidesViral Matrix ProteinsCrystallography, X-RayGolgi ApparatusCells, CulturedCD40 LigandSolubilityLiposomesMitochondrial MembranesHydrophobic and Hydrophilic InteractionsStructure-Activity RelationshipSignal TransductionProtein FoldingHydrogen-Ion ConcentrationCell FractionationMutagenesis, Site-DirectedSequence AlignmentTemperatureFas Ligand ProteinMicroscopy, FluorescenceCalciumMagnetic Resonance SpectroscopyReceptors, Cell SurfaceCricetinaeTransfectionThermodynamicsCytoplasmNuclear Magnetic Resonance, BiomolecularMicellesEndocytosisSynaptic MembranesBlotting, WesternProtein Sorting SignalsCattleBacteriorhodopsinsRabbitsSubcellular FractionsPeptide FragmentsFluorescent Antibody TechniqueErythrocytesPlasmidsModels, ChemicalCHO CellsImmunoblottingPhosphatidylcholinesAmino Acid MotifsCOS CellsDimerizationSaccharomyces cerevisiae ProteinsTime FactorsLysosome-Associated Membrane GlycoproteinsAntibodies, MonoclonalMicroscopy, ImmunoelectronEndosomesIon Channels